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Information about reign: Karl IX (King Charles IX)

CountrySweden
From22 March 1604
To30 October 1611
Personal InformationKing Charles IX of Sweden (1550 - 1611)
Description

Charles IX, also Carl (Swedish: Karl IX), was King of Sweden from 1604 until his death. He was the youngest son of King Gustav I and his second wife, Margaret Leijonhufvud, brother of Eric XIV and John III, and uncle of Sigismund, king of both Sweden and Poland. By his father's will he got, by way of appanage, the Duchy of Södermanland, which included the provinces of Närke and Värmland; but he did not come into actual possession of them till after the fall of Eric and the succession to the throne of John in 1568.

The Swedish kings Eric XIV (1560–68) and Charles IX (1604–1611) took their numbers according to a fictitious History of Sweden. He was actually the third Swedish king called Charles.

He came into the throne by championing the Protestant cause during the increasingly tense times of religious strife between competing sects of Christianity. In just over a decade, these would break out as the Thirty Years' War. These conflicts had already caused the dynastic squabble rooted in religious freedom that deposed his nephew and brought him to rule as king of Sweden.

His reign marked the start of the final chapter (dated 1648 by some) of both the Reformation and Counter-reformation. With his brother's death in November 1592, the throne of Sweden went to his nephew and Habsburg ally, Sigismund of Poland and Sweden. During these tense political times, Charles viewed the inheritance of the throne of Protestant Sweden by his devout Roman Catholic nephew with alarm. Thus, several years of religious controversy and discord followed.

During the period, he and the Swedish privy council ruled in Sigismund's name while he stayed in Poland. After various preliminaries, the Riksens ständer forced Sigismund to abdicate the throne to Charles IX in 1595. This eventually kicked off nearly seven decades of sporadic warfare as the two lines of the divided House of Vasa both continued to attempt to remake the union between the Polish and Swedish thrones with opposing counter-claims and dynastic wars.